If you were having some battery issues with your 2013 MacBook Air notebook, this might be the answer.

On Monday, Apple released its MacBook Air SMC Update 2.0. The update, an 804 kilobyte download, addresses an issue wherein the notebook continues to use the battery when its lid is closed (a time when it should be in a low power mode).

The update release notes don’t mention any other fixes included with the update. The MacBook Air SMC Update 2.0 file is available as a free download from the Apple Support website, or via the Software Update app on compatible MacBook Air models.

If you’ve tried the update and have any feedback to offer, please let us know in the comments.